It doesn't have to attack the same player, planeswalker, or battle as your other Rats
Kain is a good early play that can guarantee you the top-ups you need, and you can do some dastardly things with him, like building him tall and strapping a Vampiric Link to him to ensure you gain life off of anyone attacking with him
Dankzij deze erkenning blijft Kinderen uit de Knel opgenomen in de Databank Effectieve Jeugdinterventies
It comes into play and essentially doubles the power of a creature you control
Each turn, you can cycle a card, get a free spell from your deck thanks to Unpredictable Cyclone, use Astral Drift to flicker Eternal Witness, and then, when Eternal Witness comes back into play at the end of the turn, you can get the cycler back from the graveyard so you can cycle it again during your opponent's turn to get another free Unpredictable Cyclone card
This makes Sephiroths go-wide plan fairly feasible, which is unusual for an Equipment deck